Imagine you’re sorting a giant pile of Lego creations. You’d group all the spaceships together, right? A phylum is like that — it’s a major branch on the tree of life. All animals in a phylum share a fundamental design, like having a backbone (hello, Chordata!) or having stinging cells (looking at you, Cnidaria).
There are about 35 to 40 recognized animal phyla, but don’t panic. Most of the creatures you see every day belong to just a handful. Let’s meet the cool kids.
